Database: Wind Shock Analysis
Event ID: 20120210402
Observation time: 01/21/2012 21.16807 0402 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
21.168073 |
| Arrival time of shock [seconds of day] |
14521.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
197.447 |
| Y GSE location of spacecraft [Re] |
-51.304 |
| Z GSE location of spacecraft [Re] |
-14.025 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0103 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0109 |
| Minimum chisq/dof for RH8,RH9,RH10 |
120.17, Infinity,-53012.68 |
Event added to database
|
Thu Sep 19 12:08:55 2013
|
Event last processed
|
Mon Oct 7 13:54:13 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
66.084 ± 1.028
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-303.5 ± 0.7 |
-326.0 ± 0.5 |
| Vy GSE [km/s] |
-10.6 ± 1.4 |
5.9 ± 1.0 |
| Vz GSE [km/s] |
-16.2 ± 0.8 |
-15.4 ± 1.6 |
| Wi [km/s] |
14.3 ± 0.4 |
19.2 ± 0.5 |
| We [km/s] |
453.2 ± 13.2 |
608.3 ± 16.9 |
| Ni [n/cc] |
5.1 ± 0.2 |
7.7 ± 0.2 |
| Bx GSE [nT] |
-2.2 ± 0.0 |
-3.4 ± 0.0 |
| By GSE [nT] |
-2.2 ± 0.1 |
-3.9 ± 0.1 |
| Bz GSE [nT] |
-3.3 ± 0.1 |
-4.9 ± 0.0 |
Plasma Beta
|
0.108 ± 0.104
|
0.118 ± 0.113
|
Sound Speed [km/s]
|
18.50 ± 0.54
|
24.83 ± 0.69
|
Alfven Speed [km/s]
|
43.67 ± 0.49
|
56.00 ± 0.82
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.365 ± 0.078 |
0.763 ± 0.067 |
-0.534 ± 0.476 |
-32.28 ± 6.75 |
115.54 ± 5.50 |
| VC |
-0.805 ± 0.033 |
0.593 ± 0.045 |
0.029 ± 0.029 |
1.66 ± 3.11 |
143.61 ± 3.18 |
| MX1 |
-0.825 ± 0.027 |
0.565 ± 0.039 |
-0.007 ± 0.007 |
-0.42 ± 2.91 |
145.61 ± 2.69 |
| MX2 |
-0.826 ± 0.027 |
0.564 ± 0.039 |
-0.005 ± 0.005 |
-0.31 ± 2.90 |
145.69 ± 2.72 |
| MX3 |
-0.827 ± 0.027 |
0.562 ± 0.040 |
-0.002 ± 0.002 |
-0.13 ± 2.89 |
145.83 ± 2.76 |
| RH08 |
-0.832 ± 0.038 |
0.553 ± 0.057 |
0.039 ± 0.039 |
2.24 ± 4.06 |
146.41 ± 3.91 |
| RH09 |
-0.000 ± 0.035 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 2.00 |
0.00 ± 2.00 |
| RH10 |
-0.249 ± 0.068 |
-0.607 ± 0.055 |
-0.754 ± 0.561 |
-48.95 ± 3.99 |
247.69 ± 6.16 |
| Average |
-0.591 |
0.374 |
-0.279 |
-21.025 |
136.297 |
| Median |
-0.805 |
0.564 |
-0.005 |
-0.312 |
145.692 |
| Deviation |
0.335 |
0.454 |
0.420 |
33.828 |
67.440 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
78.6 ± 1.9 |
172.0 ± 2.3 |
1.52 ± 0.07 |
| VC |
84.7 ± 1.3 |
318.3 ± 2.3 |
1.52 ± 0.07 |
| MX1 |
81.8 ± 1.3 |
325.4 ± 2.2 |
1.52 ± 0.07 |
| MX2 |
81.8 ± 1.3 |
325.6 ± 2.2 |
1.52 ± 0.07 |
| MX3 |
81.8 ± 1.3 |
326.0 ± 2.2 |
1.52 ± 0.07 |
| RH08 |
83.2 ± 1.2 |
326.8 ± 2.2 |
1.52 ± 0.07 |
| RH09 |
43.9 ± 1.4 |
14.2 ± 1.5 |
1.52 ± 0.07 |
| RH10 |
16.1 ± 1.0 |
78.9 ± 4.0 |
1.52 ± 0.07 |
| Average |
69.0 |
235.9 |
1.52 |
| Median |
81.8 |
325.4 |
1.52 |
| Deviation |
25.2 |
129.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.9 ± 0.7 |
3.4 ± 0.1 |
8.7 ± 0.1 |
47.3 ± 0.3 |
17.99 ± 0.27 |
1.29 ± 0.02 |
| VC |
80.8 ± 0.7 |
1.6 ± 0.0 |
4.1 ± 0.0 |
47.4 ± 0.3 |
50.97 ± 0.78 |
1.70 ± 0.02 |
| MX1 |
80.8 ± 0.7 |
2.4 ± 0.1 |
6.2 ± 0.1 |
47.4 ± 0.3 |
33.15 ± 0.54 |
1.71 ± 0.02 |
| MX2 |
80.8 ± 0.7 |
2.4 ± 0.1 |
6.2 ± 0.1 |
47.4 ± 0.3 |
33.24 ± 0.54 |
1.71 ± 0.02 |
| MX3 |
80.8 ± 0.7 |
2.4 ± 0.1 |
6.2 ± 0.1 |
47.4 ± 0.3 |
33.38 ± 0.54 |
1.71 ± 0.02 |
| RH8 |
80.6 ± 0.7 |
2.0 ± 0.0 |
5.2 ± 0.1 |
47.4 ± 0.3 |
39.81 ± 0.64 |
1.70 ± 0.02 |
| RH9 |
-2.0 ± 0.8 |
12.7 ± 0.3 |
31.5 ± 0.4 |
45.7 ± 0.4 |
-0.15 ± 0.06 |
-0.04 ± 0.02 |
| RH10 |
-15.5 ± 1.4 |
17.6 ± 0.5 |
42.0 ± 0.5 |
44.0 ± 0.5 |
-0.88 ± 0.05 |
-0.35 ± 0.04 |
| Average |
55.9 |
5.6 |
13.8 |
46.7 |
25.9 |
1.2 |
| Median |
80.8 |
2.4 |
6.2 |
47.4 |
33.2 |
1.7 |
| Deviation |
40.6 |
6.1 |
14.5 |
1.2 |
18.7 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
40.5 ± 1.3 |
4.5 ± 0.1 |
11.1 ± 0.2 |
61.1 ± 0.5 |
8.98 ± 0.31 |
0.66 ± 0.02 |
| VC |
52.9 ± 0.4 |
2.1 ± 0.0 |
5.2 ± 0.1 |
61.2 ± 0.5 |
25.05 ± 0.35 |
0.86 ± 0.01 |
| MX1 |
53.0 ± 0.3 |
3.2 ± 0.1 |
8.0 ± 0.1 |
61.2 ± 0.5 |
16.31 ± 0.24 |
0.87 ± 0.01 |
| MX2 |
53.0 ± 0.3 |
3.2 ± 0.1 |
8.0 ± 0.1 |
61.2 ± 0.5 |
16.35 ± 0.24 |
0.87 ± 0.01 |
| MX3 |
53.0 ± 0.3 |
3.2 ± 0.1 |
8.0 ± 0.1 |
61.2 ± 0.5 |
16.41 ± 0.24 |
0.87 ± 0.01 |
| RH8 |
52.8 ± 0.3 |
2.7 ± 0.1 |
6.7 ± 0.1 |
61.2 ± 0.5 |
19.56 ± 0.28 |
0.86 ± 0.01 |
| RH9 |
-1.2 ± 1.6 |
17.0 ± 0.4 |
40.4 ± 0.6 |
58.8 ± 0.6 |
-0.07 ± 0.09 |
-0.02 ± 0.03 |
| RH10 |
-10.4 ± 0.9 |
23.6 ± 0.6 |
53.8 ± 0.8 |
56.5 ± 0.8 |
-0.44 ± 0.03 |
-0.18 ± 0.02 |
| Average |
36.7 |
7.5 |
17.6 |
60.3 |
12.8 |
0.6 |
| Median |
52.9 |
3.2 |
8.0 |
61.2 |
16.3 |
0.9 |
| Deviation |
26.7 |
8.2 |
18.6 |
1.7 |
9.2 |
0.4 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
